3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export(array_shift(array("Test #0")));
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0
Fatal error: Only variables can be passed by reference in /in/bma6Z on line 3
Process exited with code 255.
preferences:
56.91 ms | 402 KiB | 22 Q